<template>
  <div class="hello">
    <h1>name:{{ this.$tpo.name }} in Hello.vue</h1>
    <h2>name in part data  {{ this.$tpo.head.name }}</h2>
    <button @click="changename">clickME to changeName</button>
   
  </div>
</template>

<script>
export default {
  name: 'hello',
  data () {
    return {
      msg: 'Welcome to Your Vue.js App'
    }
  },
  methods:{
    changename(){
      this.$tpo.name="new name"
    }
  }
}
</script>

<!-- Add "scoped" attribute to limit CSS to this component only -->
<style scoped>
h1, h2 {
  font-weight: normal;
}

ul {
  list-style-type: none;
  padding: 0;
}

li {
  display: inline-block;
  margin: 0 10px;
}

a {
  color: #42b983;
}
</style>
